diff --git a/llvm/docs/XRay.rst b/llvm/docs/XRay.rst
--- a/llvm/docs/XRay.rst
+++ b/llvm/docs/XRay.rst
@@ -47,7 +47,7 @@
 - Instrumenting your C/C++/Objective-C/Objective-C++ application.
 - Generating LLVM IR with the correct function attributes.
 
-The rest of this section covers these main ways and later on how to customise
+The rest of this section covers these main ways and later on how to customize
 what XRay does in an XRay-instrumented binary.
 
 Instrumenting your C/C++/Objective-C Application
diff --git a/llvm/docs/XRayExample.rst b/llvm/docs/XRayExample.rst
--- a/llvm/docs/XRayExample.rst
+++ b/llvm/docs/XRayExample.rst
@@ -319,7 +319,7 @@
   $ XRAY_OPTIONS="patch_premain=true xray_mode=xray-basic" ./sample
 
 We can then explore the graph rendering of the trace generated by this sample
-application. We assume you have the graphviz toosl available in your system,
+application. We assume you have the graphviz tools available in your system,
 including both ``unflatten`` and ``dot``. If you prefer rendering or exploring
 the graph using another tool, then that should be feasible as well. ``llvm-xray
 graph`` will create DOT format graphs which should be usable in most graph